A sensitive upper limit on the methane abundance in Comet Levy (1990c)

Details A sensitive upper limit on the methane abundance in Comet Levy (1990c) A sensitive upper limit on the methane abundance in Comet Levy (1990c)

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...372l.113b&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 372, May 10, 1991, p. L113-L116.

Astronomy and Astrophysics

Astronomy

12

Abundance, Cometary Atmospheres, Infrared Spectra, Methane, Fabry-Perot Interferometers, Infrared Astronomy

Scientific paper

Results are presented on a ground-based search for fluorescent emission from CH4 at 3.3 microns in a newly discovered long-period comet, Comet Levy (1990c). It was found that the upper limit to the CH4 abundance in Comet Levy is similar to the Comet Halley CH4 abundance estimated from lower resolution IR spectra by Kawara et al. (1988). The Comet Levy CH4 abundance is significantly lower than the abundance derived by Larson et al. (1989) from a possible detection of CH4 in Comet Wilson.

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